Cheat Sheet

Networking All-In-One For Dummies

Managing a small computer network is well within your reach! But it's vital that you keep track of key information that's unique to your network. This cheat sheet is designed to give you quick access to your network information, explanation of some basic network concepts, such as pin connections and IP address ranges, and a list of useful websites for networking information.

Identifying and Recording Key Network Information

Print out and use these tables to keep track of the key information that allows you to access your network, contact your network administrator, access network storage, use network printers, and keep track of important network servers.

Account Information

My user ID

____________________________________

My password

DON’T WRITE IT HERE!

Domain name

____________________________________

My e-mail address

____________________________________

My Network Administrator

Name

____________________________________

Phone number

____________________________________

E-mail name

____________________________________

Favorite snack food

____________________________________

My Network Drives

Drive Letter

Description

_____

__________________________________________________________________

_____

__________________________________________________________________

_____

__________________________________________________________________

_____

__________________________________________________________________

_____

__________________________________________________________________

My Network Printers

Printer Name

IP Address

Description

_________

________

__________________________________________________

_________

________

__________________________________________________

_________

________

__________________________________________________

_________

________

__________________________________________________

_________

________

__________________________________________________

_________

________

__________________________________________________

My Network Servers

Server Name

IP Address

Description

____________

________

_______________________________________________

____________

________

_______________________________________________

____________

________

_______________________________________________

____________

________

_______________________________________________

Identifying and Recording Key Internet Connection Information

Print out and use these spaces to keep track of key information about your Internet connection, including your Internet service provider, your TCP/IP configuration, and information about your router.

Provider

Company name

____________________________________

Technical-support contact

____________________________________

Technical-support phone number

____________________________________

Website

____________________________________

E-mail address

____________________________________

TCP/IP Information

IP range

________________ to ________________

Subnet mask

____________________________________

Default gateway

____________________________________

Nameservers

__________ — __________ — __________

Router Information

Make and model

____________________________________

Internal IP address (LAN)

____________________________________

External IP address (WAN)

____________________________________

Administrator username

____________________________________

Password

DON'T WRITE IT HERE!

Knowing the RJ-45 Pin Connections

If you're wiring up your own RJ-45 connectors for a TCP/IP network, you need this information about the connections to make sure you connect the pins correctly:

Pin 1: White/orange

Pin 2: Orange

Pin 3: White/green

Pin 6: Green

Identifying Private IP Address Ranges

Private IP address blocks are the IP addresses administrators most often use for private networks. Most networks use IP addresses in one of these ranges:

10.0.0.0 to 10.255.255.255

172.16.0.0 to 172.31.255.255

192.168.0.0 to 192.168.255.255

Useful Websites for Networking Information

As a network administrator, the Internet can your best friend, offering all sorts of great information to help manage your network. Here are some websites for you to visit often.